Nsx-t data center administration guide

What is NSX-T data center?
What MTU should I use for NSX-T?
What is the difference between NSX and NSX-T?
What are the 3 main components of a data center infrastructure?
Does NSX-T require vCenter?
How does NSX-T work?
What happens if MTU is too high?
What is the difference between MTU 1500 and 9000?
What happens if MTU is too small?
What is T1 router in NSX-T?
Why NSX-T is better than NSX-V?
What is DR and SR in NSX-T?
What are the 5 core elements of data center?
What is the difference between ESXi and NSX?
What OS does NSX-T use?
What is the difference between NSX data center and NSX-T data center?
How does NSX-t work?
How does VMware NSX-t work?
What are the NSX-T components?
What does NSX mean in VMware?
What are NSX-T routers called?
What is the difference between Tier-0 and Tier-1 in NSX-T?
What is NSX-T controller?
What are three NSX manager roles?
What is the difference between ESXi and NSX?
What is DR and SR in NSX-T?
What is the difference between VLAN and overlay in NSX-T?
Is NSX a load balancer?
What is T1 router in NSX-T?
What is VRF in NSX-T?
What is the difference between ACI and NSX?
What are the advantages of NSX-T?

What is NSX-T data center?

VMware NSX® Data Center is the network virtualization and security platform that enables the virtual cloud network, a software-defined approach to networking that extends across data centers, clouds, and application frameworks.

What MTU should I use for NSX-T?

Provide an MTU size of 1600 or greater on any network that carries Geneve overlay traffic must. Geneve packets cannot be fragmented. The MTU size must be large enough to support extra encapsulation overhead. This design uses an MTU size of 9000 for Geneve traffic.

What is the difference between NSX and NSX-T?

NSX Edge is installed both as a logical distributed router as well as an edge services gateway. NSX-T routing is designed for cloud environments and multi-cloud use. It is designed for multi-tenancy use cases and is for heterogeneous environments.

What are the 3 main components of a data center infrastructure?

Data Center Architecture Components

Data centers are made up of three primary types of components: compute, storage, and network.

Does NSX-T require vCenter?

VMware NSX-T does not require a vCenter Server and allows interacting with ESXi hosts directly and onboard those as transport nodes. VMware vCenter Server can be used as a compute manager to integrate with multiple ESXi hosts.

How does NSX-T work?

NSX-T Data Center works by implementing three separate but integrated planes: management, control, and data. These planes are implemented as a set of processes, modules, and agents residing on two types of nodes: NSX Manager and transport nodes. Every node hosts a management plane agent.

What happens if MTU is too high?

MTU and packet fragmentation

The MTU of the next receiving device is determined before sending a packet to it. If the packet is too large and the next receiving device cannot accept it, the packet is divided into multiple packets and sent. This is called fragmentation.

What is the difference between MTU 1500 and 9000?

With a standard 1500 byte MTU that will take 14,316,558 packets, but with an MTU of 9000 we are sending 2,386,093 packets. That's a difference of 11,930,465 packets. That's our advantage. Speed when sending large amounts of data.

What happens if MTU is too small?

The main problem with MTU size being reduced across the network is that some applications may not work well in this environment. To complicate matters, some routers ignore packet-too-big messages and keep sending packets that exceed the MTU.

What is T1 router in NSX-T?

An NSX-T T1 logical router has downlink connections to the attached NSX-T segments and uplink connections to a single T0 logical router. The NSX Edge Nodes provide the compute capacity for the T1 logical routers. Each T1 logical router contains a service router (SR) and a distributed router (DR), same as with T0s.

Why NSX-T is better than NSX-V?

It is designed for different virtualization platforms and multi-hypervisor environments and can also be used where NSX-v is not feasible to deploy. NSX-T supports network virtualization stack for KVM, Docker, Kubernetes and OpenStack as well as AWS native workloads.

What is DR and SR in NSX-T?

It runs as a kernel module and is distributed in hypervisors across all transport nodes, including Edge nodes. The DR provides EastWest routing capabilities for the NSX domain. An SR, also referred to as a services component, is instantiated when a service is enabled that cannot be distributed on a logical router.

What are the 5 core elements of data center?

The Routers, switches, firewalls, storage systems, servers, and application-delivery controllers are components of a data center architecture.

What is the difference between ESXi and NSX?

ESXI hosts are hypervisors where VMware software is loaded. NSX solutions are build to remove all manual configurations on switches and routers. Memory over commitment and deduplication, memory ballooning, network traffic shaping, network interface card teaming etc.

What OS does NSX-T use?

NSX-T Manager runs on the Ubuntu operating system. NSX controllers. The NSX controller is a distributed state management system used to overlay transport tunnels and control virtual networks, which can be deployed as a VM on ESXi or KVM hypervisors.

What is the difference between NSX data center and NSX-T data center?

NSX-T is now branded NSX-T Data Center. The major difference with NSX-T and NSX-V is that NSX-T is “unlocked” from VMware vSphere. In other words, you don't have to have a vCenter Server in order to deploy NSX-T. This allows VMware to move into new territory in the cloud and more hybrid infrastructure.

How does NSX-t work?

It runs on VLAN backed networks that are isolated from the transport networks for the data plane. NSX-T splits the control plane into two parts: Central Control Plane (CCP)–The CCP is implemented on the NSX-T cluster of managers, the cluster form factor provides both redundancy and scalability of resources.

How does VMware NSX-t work?

What are the NSX-T components?

NSX Components

The main components of VMware NSX are NSX Manager, NSX controllers, and NSX Edge gateways. NSX Manager is a centralized component of NSX which is used for management of networks. NSX Manager can be deployed as a VM on one of the ESXi servers managed by vCenter (from OVA template).

What does NSX mean in VMware?

VMware NSX is a virtual networking and security software product family created from VMware's vCloud Networking and Security (vCNS) and Nicira's Network Virtualization Platform (NVP) intellectual property.

What are NSX-T routers called?

NSX-T network virtualization for Kubernetes

NSX-T creates a separate L2 switch, Virtual Distributed Switch (VDS) and L3, distributed logical (DLR) router for every namespace. The namespace level router is called T1 router.

What is the difference between Tier-0 and Tier-1 in NSX-T?

Logical routing in NSX-T is accomplished with two types of routers: Tier-0 and Tier-1. The Tier-0 router is considered to act as a service provider router and the Tier-1 acts as a tenant router. The Tier-0 gateway provides connectivity to external networks, using static routes or BGP.

What is NSX-T controller?

The NSX controller is part of the control layer and is logically separated from the data layer where all network traffic takes place. It is the central point for all logical switches, keeps information about all virtual machines, ESXI hosts, logical switches and VXLANs.

What are three NSX manager roles?

An NSX Manager can have roles, such as primary, secondary, standalone, or transit.

What is the difference between ESXi and NSX?

What is DR and SR in NSX-T?

What is the difference between VLAN and overlay in NSX-T?

The Overlay Transport zone is used for internal NSX-T Data Center tunneling between transport nodes. VLAN transport zones are used by NSX Edges and host transport nodes for uplinks external to NSX-T Data Center. To create the transport zones, perform the following steps.

Is NSX a load balancer?

NSX Advanced Load Balancer (Avi) with Cloud Services has multi-cloud load balancing, web application firewall, and container ingress services. Customers gain flexible deployment and simplified control.

What is T1 router in NSX-T?

What is VRF in NSX-T?

One amongst the many new features that came with NSX-T 3.0 is VRF Lite. By definition the Virtual Routing and Forwarding or VPN Routing Forwarding, depending on who you ask, is a routing technology that allow coexistence of multiple routing instances in a single routing device. Each VRF is an extra routing table.

What is the difference between ACI and NSX?

ACI could control the application profile for network access while NSX would handle the micro-segmentation and firewalling for front-end virtual machines based on Active Directory attributes. It all comes down to requirements.

What are the advantages of NSX-T?

NSX-T enables organizations to design, deploy, and operate modern applications typically containing different infrastructure elements such as virtual machines (VMs), containers, and bare metal workloads. NSX-T provides a consistent networking and security framework, no matter where workloads are deployed.